KS-ecs 4B0959851/4B0959851B/4B0959851A/4B0 959 851/4B0 959 851 B/4B0 959 851 A for AD/C5 OE Style Power Window Master Lifter Switch Control OEM part #: 4B0959851/4B0959851B/4B0959851A; OE style window panel driver side master lifter switch Function: control for all 4 windows Easy to install, plug and play, tool-free; have 16 small pin connector in the back, better check the pins to see if they fit your model (there are different configurations of size and position of each pin) Please note the vehicle filter does not fit all versions of the compatibility as it is for search purpose only; please review our interchange below or e-mail us your full reg number or chassis number/ V.I.N?number prior to ordering